By John Gruber
Sentry — Catch, trace,
and fix bugs across your entire stack.
- Optical Illusion
-
Amazing optical illusion; tricks your brain into “seeing” a grayscale photograph in full color. (Thanks to John Siracusa.)
★ Sunday, 24 February 2008
By John Gruber
Sentry — Catch, trace,
and fix bugs across your entire stack.
Amazing optical illusion; tricks your brain into “seeing” a grayscale photograph in full color. (Thanks to John Siracusa.)
★ Sunday, 24 February 2008